Display screen or portion thereof with transitional computer graphical interface thereon



FIG. 1 is a front view of a display screen or portion thereof withtransitional computer graphical interface thereon showing a first imagein a sequence according to a first embodiment of the claimed design;

FIG. 2 is a front view of a second image in the sequence thereof;

FIG. 3 is a front view of a third image in the sequence thereof;

FIG. 4 is a front view of a fourth in the sequence thereof;

FIG. 5 is a front view of a display screen or portion thereof withtransitional computer graphical interface thereon showing a first imagein a sequence according to a second embodiment of the claimed design;

FIG. 6 is a front view of a second image in the sequence thereof;

FIG. 7 is a front view of a third image in the sequence thereof;

FIG. 8 is a front view of a fourth in the sequence thereof; and,

FIG. 9 is a front view of a fifth image in the sequence thereof.

The appearance of the transition is sequential from FIG. 1 to FIG. 4 inthe first embodiment, and from FIG. 5 to FIG. 9 in the secondembodiment. The process or period in which an image transitions toanother image forms no part of the claimed design.

The longer-incremented broken-lines showing an electronic device and thebroken lines showing a display screen boundary are portions of anarticle of manufacture that are excluded from being part of the claimeddesign. The closely spaced broken line showing of text, numbers andsymbols illustrate portions of the transitional computer graphicalinterface and form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withtransitional computer graphical interface thereon, as shown anddescribed.